When biospheres collide a history of NASA's planetary protection programs /

Main Author: Meltzer, Michael, 1946-
Format: Book
Language: English
Published: Washington, D.C. : NASA Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. G.P.O., 2010.
Physical Description: xx, 522 pages : illustrations ; 25 cm.
530 Available via Internet from the NASA web site. Address as of 10/11/11: http://www.nasa.gov/pdf/588047main_when_biospheres_collide.pdf.
Series: NASA SP (Series) ; 2011-4234.
Subjects:
Online Access: http://purl.fdlp.gov/GPO/gpo13078
http://www.nasa.gov/pdf/588047main_when_biospheres_collide.pdf
Table of contents only